Several ruinous events happened in history on the 14-15 of April. Lincoln took a bullet to the head, the dust bowl rolled through farmland, the costliest disaster in Australian history rained down in hail, and at midnight, an iceberg hit the Titanic. So, watch your backs!
You can prompt this (Gillian Welch did in two songs), maybe by writing about your own worst day, or make one up around an Ides (15th of any month, not jsut March).
Woodie Guthrie on Titanic: